package com.ruoyi.recyclecomprehensive.service;

import com.baomidou.mybatisplus.extension.service.IService;
import com.ruoyi.recyclecomprehensive.domain.Gift;

import java.math.BigDecimal;

public interface GiftService extends IService<Gift> {
    BigDecimal sum(Long merchantId);

    Integer countStock(Long merchantId);
}
